Definitions

A Decimal Number: The numbers in the base 10 number system, having one or more places to the right of a decimal point.
Repeating Decimals: A decimal in which the digits endlessly repeat a pattern.
Terminating Decimal: A fraction whose decimal representation contains a finite number of digits.
See Animated Dictionary for further definitions and visual aides.


Adding Decimals
Subtracting Decimals
Multiplying Decimals
Dividing Decimals